Re: Push down more full joins in postgres_fdw - Mailing list pgsql-hackers

From Etsuro Fujita
Subject Re: Push down more full joins in postgres_fdw
Date
Msg-id c7fa625b-ab02-bec0-275e-9b35b4d8c816@lab.ntt.co.jp
Whole thread Raw
In response to Re: Push down more full joins in postgres_fdw  (Etsuro Fujita <fujita.etsuro@lab.ntt.co.jp>)
Responses Re: Push down more full joins in postgres_fdw  (Etsuro Fujita <fujita.etsuro@lab.ntt.co.jp>)
List pgsql-hackers
On 2016/09/08 19:51, Etsuro Fujita wrote:
> On 2016/09/06 22:07, Ashutosh Bapat wrote:
>> This patch tries to do two things at a time 1. support join pushdown for
>> FULL join when the joining relations have remote conditions 2. better
>> support for fetching placeholder vars, whole row references and some
>> system columns. To make reviews easy, I think we should split the patch
>> into two 1. supporting subqueries to be deparsed with support for one of
>> the above (I will suggest FULL join support) 2. support for the other.

> OK, will try.

I extracted #1 from the patch.  Attached is a patch for that.  If that
patch is reasonable, I'll create a patch for #2 on top of it.

Comments welcome!

Best regards,
Etsuro Fujita

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